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Commit f9fc049e authored by Gary R Hook's avatar Gary R Hook Committed by Alex Williamson
Browse files

iommu/amd - Record more information about unknown events 



When an unknown type event occurs, the default information written to
the syslog should dump raw event data. This could provide insight into
the event that occurred.

Signed-off-by: default avatarGary R Hook <gary.hook@amd.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent 1291a0d5

drivers/iommu/amd_iommu.c

+3 −1
Original line number Diff line number Diff line
@@ -616,7 +616,9 @@ static void iommu_print_event(struct amd_iommu *iommu, void *__evt) 
		       address, flags);

		break;

	default:

		printk(KERN_ERR "UNKNOWN type=0x%02x]\n", type);

		printk(KERN_ERR "UNKNOWN type=0x%02x event[0]=0x%08x "

		       "event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n",

		       type, event[0], event[1], event[2], event[3]);

	}



	memset(__evt, 0, 4 * sizeof(u32));